/* ============================================================
   Oleksandr Leshchenko — desarrollo de software
   Sin recursos externos: solo fuentes del sistema, sin cookies.
   ============================================================ */

:root {
  --paper: #f6f9f7;
  --ink: #16241e;
  --muted: #5b6a62;
  --accent: #0d7a5c;
  --accent-dark: #0a5a45;
  --line: #d9e3dd;
  --card: #ffffff;
  --mono: "SF Mono", "Cascadia Code", "JetBrains Mono", "Fira Code", Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 46rem; margin: 0 auto; padding: 0 1.25rem; }

/* ---------- header ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 1rem; padding-bottom: 1rem; gap: 1rem; flex-wrap: wrap;
}
.brand {
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.brand .tld { color: var(--accent); }
nav.main-nav { display: flex; gap: 1.25rem; }
nav.main-nav a {
  font-family: var(--mono); font-size: 0.8rem; color: var(--muted);
  text-decoration: none;
}
nav.main-nav a:hover, nav.main-nav a:focus-visible { color: var(--accent-dark); }

/* ---------- status line ---------- */
.status {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--mono); font-size: 0.75rem; color: var(--accent-dark);
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--card); padding: 0.25rem 0.75rem;
}
.status::before {
  content: ""; width: 0.5rem; height: 0.5rem; border-radius: 50%;
  background: var(--accent);
}

/* ---------- hero ---------- */
.hero { padding: 4.5rem 0 3.5rem; }
.prompt {
  font-family: var(--mono); font-size: 0.85rem; color: var(--muted);
  margin-bottom: 1.25rem; overflow-wrap: anywhere;
}
.prompt .user { color: var(--accent-dark); }
.prompt .cursor {
  display: inline-block; width: 0.55em; height: 1.05em;
  background: var(--accent); vertical-align: text-bottom; margin-left: 2px;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

h1 {
  font-family: var(--sans);
  font-size: clamp(1.9rem, 5vw, 2.7rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 750;
  margin-bottom: 1rem;
  max-width: 21ch;
}
h1 .accent { color: var(--accent); }
.hero p.lede { color: var(--muted); max-width: 38rem; margin-bottom: 1.75rem; }
.hero .actions { display: flex; gap: 0.9rem; flex-wrap: wrap; align-items: center; }

.btn {
  display: inline-block; font-family: var(--mono); font-size: 0.85rem;
  text-decoration: none; border-radius: 6px; padding: 0.7rem 1.2rem;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--accent-dark); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: var(--card); }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--accent); color: var(--accent-dark); }

/* ---------- sections ---------- */
section { padding: 2.75rem 0; border-top: 1px solid var(--line); }
.eyebrow {
  font-family: var(--mono); font-size: 0.8rem; color: var(--accent-dark);
  margin-bottom: 1.4rem;
}
.eyebrow::before { content: "// "; color: var(--muted); }

h2 { font-size: 1.35rem; letter-spacing: -0.01em; margin-bottom: 0.75rem; }

/* services */
.services { display: grid; gap: 1rem; }
.service {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 1.4rem 1.5rem;
}
.service h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.service p { color: var(--muted); font-size: 0.95rem; margin-bottom: 0.75rem; }
.service .price {
  font-family: var(--mono); font-size: 0.8rem; color: var(--accent-dark);
}

/* experience */
.xp { list-style: none; }
.xp li {
  padding: 1rem 0 1rem 1.5rem; border-left: 2px solid var(--line);
  position: relative;
}
.xp li::before {
  content: ""; position: absolute; left: -5px; top: 1.55rem;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--paper); border: 2px solid var(--accent);
}
.xp .years { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); }
.xp h3 { font-size: 1rem; margin: 0.15rem 0 0.25rem; }
.xp p { color: var(--muted); font-size: 0.95rem; }

/* stack */
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip {
  font-family: var(--mono); font-size: 0.78rem; color: var(--ink);
  background: var(--card); border: 1px solid var(--line);
  border-radius: 6px; padding: 0.35rem 0.7rem;
}

/* contact */
.contact-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 1.75rem 1.5rem; text-align: center;
}
.contact-card p { color: var(--muted); margin-bottom: 1.25rem; }
.contact-card .email-line {
  font-family: var(--mono); font-size: 0.85rem; margin-top: 1rem; color: var(--muted);
}
.contact-card .email-line a { color: var(--accent-dark); text-decoration: none; }
.contact-card .email-line a:hover { text-decoration: underline; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 2rem 0 2.5rem; }
.site-footer .wrap { display: flex; flex-direction: column; gap: 0.75rem; }
.legal-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.legal-links a {
  font-family: var(--mono); font-size: 0.75rem; color: var(--muted);
  text-decoration: none;
}
.legal-links a:hover, .legal-links a:focus-visible { color: var(--accent-dark); }
.copyright { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); }

/* ---------- legal pages ---------- */
.legal { padding: 3rem 0 4rem; }
.legal h1 { font-size: 1.8rem; margin-bottom: 0.5rem; max-width: none; }
.legal .updated { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); margin-bottom: 2rem; }
.legal h2 { font-size: 1.15rem; margin: 2rem 0 0.6rem; }
.legal p, .legal li { color: #333f39; font-size: 0.98rem; }
.legal p { margin-bottom: 0.9rem; }
.legal ul { padding-left: 1.4rem; margin-bottom: 0.9rem; }
.legal li { margin-bottom: 0.35rem; }
.legal a { color: var(--accent-dark); }
.legal .idcard {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 1.25rem 1.4rem; margin: 1rem 0 1.5rem;
}
.legal .idcard dt { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); margin-top: 0.6rem; }
.legal .idcard dt:first-child { margin-top: 0; }
.legal .idcard dd { margin: 0.1rem 0 0; font-size: 0.95rem; }

/* focus */
a:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

@media (max-width: 560px) {
  .hero { padding-top: 3rem; }
  nav.main-nav { gap: 0.9rem; }
}